400085204 has 12 divisors (see below), whose sum is σ = 736999200. Its totient is φ = 189514008.

The previous prime is 400085183. The next prime is 400085209. The reversal of 400085204 is 402580004.

It is a self number, because there is not a number n which added to its sum of digits gives 400085204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400085209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2632064 + ... + 2632215.

It is an arithmetic number, because the mean of its divisors is an integer number (61416600).

Almost surely, 2^400085204 is an apocalyptic number.

It is an amenable number.

400085204 is a deficient number, since it is larger than the sum of its proper divisors (336913996).

400085204 is a wasteful number, since it uses less digits than its factorization.

400085204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264302 (or 5264300 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 400085204 is about 20002.1299865789. The cubic root of 400085204 is about 736.8586117172.

The spelling of 400085204 in words is "four hundred million, eighty-five thousand, two hundred four".